diff --git a/passerelle/apps/base_adresse/models.py b/passerelle/apps/base_adresse/models.py
index 9a3d5308..42cd34d2 100644
--- a/passerelle/apps/base_adresse/models.py
+++ b/passerelle/apps/base_adresse/models.py
@@ -192,12 +192,27 @@ class BaseAdresse(AddressResource):
         else:
             self.sectorize(address.data)  # if sectors have been updated since caching
             address.update_timestamp()
-            return {'data': [address.data]}
+            result = address.data
+            # Keep the original id if the client revalidate the
+            # response before accepting it (like w.c.s. does).
+            # id can change if street name changes (case change for
+            # example).
+            # See https://dev.entrouvert.org/issues/72263
+            result = result.copy()
+            result['id'] = id
+            return {'data': [result]}
         # Use search with label as q and lat/lon as geographic hint
         if q and lat and lon:
             results = self.addresses(request, q=q, lat=lat, lon=lon, citycode=citycode)['data']
             for result in results:  # match by id if possible
                 if result['ban_id'] == ban_id:
+                    # Keep the original id if the client revalidate the
+                    # response before accepting it (like w.c.s. does).
+                    # id can change if street name changes (case change for
+                    # example).
+                    # See https://dev.entrouvert.org/issues/72263
+                    result = result.copy()
+                    result['id'] = id
                     return {'data': [result]}
             self.logger.error('get_by_id: id %s was not found', id)
         return {'err': _('Address ID not found')}
diff --git a/tests/test_base_adresse.py b/tests/test_base_adresse.py
index e5dfc596..91c313a1 100644
--- a/tests/test_base_adresse.py
+++ b/tests/test_base_adresse.py
@@ -1053,6 +1053,7 @@ def test_base_adresse_reverse_cache(
     first_timestamp = AddressCacheModel.objects.get().timestamp
 
     resp = app.get('/base-adresse/%s/addresses?id=%s' % (base_adresse.slug, api_id))
+    data = resp.json['data'][0]
     assert mock_api_adresse_data_gouv_fr_search.call['count'] == 0
     assert data['text'] == 'Rue Roger Halope 49000 Angers'
     assert 'address' in data
@@ -1062,3 +1063,18 @@ def test_base_adresse_reverse_cache(
     resp = app.get('/base-adresse/%s/reverse?lon=-0.593775&lat=47.474633' % base_adresse.slug)
     assert mock_api_adresse_data_gouv_fr_reverse.call['count'] == 2
     assert AddressCacheModel.objects.get().timestamp > first_timestamp
+
+    # check lookup id is kept
+    resp = app.get('/base-adresse/%s/addresses?id=%s' % (base_adresse.slug, api_id.lower()))
+    data = resp.json['data'][0]
+    assert mock_api_adresse_data_gouv_fr_search.call['count'] == 0
+    assert data['id'] != api_id
+    assert data['id'] == api_id.lower()
+
+    # without cache
+    assert AddressCacheModel.objects.all().delete()
+    resp = app.get('/base-adresse/%s/addresses?id=%s' % (base_adresse.slug, api_id.lower()))
+    data = resp.json['data'][0]
+    assert mock_api_adresse_data_gouv_fr_search.call['count'] == 1
+    assert data['id'] != api_id
+    assert data['id'] == api_id.lower()